Provider Profile
Katherine Masterton, APRN, CNP
Unclaimed ProfileAbout Katherine Masterton
Listed in the NPI registry as a nurse practitioner, Katherine Masterton, APRN, CNP practices in Warrenville, IL. Katherine graduated from Rush Medical College of Rush University in 2021. Katherine is also listed as specializing in nurse practitioner — acute care. Medicare claims data shows Katherine provided 599 services to 252 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 352-5450
- Email not available
Practice Locations
4405 WEAVER PKWY
Warrenville, IL 60555
Procedures Most Often Billed to Medicare
599 services · 252 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
132 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
242 | More often than most peers in Nurse Practitioner |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
104 | More often than most peers in Nurse Practitioner |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
76 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 | As often as other peers in Nurse Practitioner |
| Ferritin (blood protein) level | Lab test | 82728 |
17 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 groups
Other nurse practitioners in Warrenville 3
Same specialty, same city.
Trained at Rush Medical College of Rush University 7
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Rush Medical College of Rush University 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Katherine Masterton, APRN specialize in?
Katherine Masterton, APRN is a nurse practitioner in Warrenville, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Katherine Masterton, APRN located?
Katherine Masterton, APRN is listed at 4405 Weaver Pkwy, Warrenville, IL 60555. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katherine Masterton, APRN's phone number?
The number on file is (630) 352-5450. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Katherine Masterton, APRN?
Katherine Masterton, APRN's National Provider Identifier is 1891433785. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Katherine Masterton, APRN train?
Katherine Masterton, APRN attended Rush Medical College of Rush University, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Katherine Masterton, APRN have?
Katherine Masterton, APRN has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Katherine Masterton, APRN do most often?
According to Medicare billing data, Katherine Masterton, APRN performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Katherine Masterton, APRN's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine Masterton, APRN. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.